New power supply for crossfire? - Help

[EggyDevil]

Hello,
I currently have a VTX HD 6870 radeon and want to purchase another one in order to crossfire the two Gpus,
I have a Corsair cx500 (500w). Do i require more watts for crossfire and if so how much? The other problem is that each VTX HD 6870 radeon requires two 6pins and therefore i would need a Psu with 4x 6pins to fully connect both Gpus. Can anyone recomend me a good psu with enough watts as well as 4x 6pins?

Thanks,
Eggy

 

[toyftw]

Hello,
I currently have a VTX HD 6870 radeon and want to purchase another one in order to crossfire the two Gpus,
I have a Corsair cx500 (500w). Do i require more watts for crossfire and if so how much? The other problem is that each VTX HD 6870 radeon requires two 6pins and therefore i would need a Psu with 4x 6pins to fully connect both Gpus. Can anyone recomend me a good psu with enough watts as well as 4x 6pins?

Thanks,
Eggy

Hi - Yes you need a PSU with 4 pci-e connectors. But, need to know your
budget $$ for the PSU to recommend.

Tom

 

[clutchc]

Here is a solid choice that will work well for you: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010

You should look for 750W on up if you plan on running 2 HD 6870s in Xfire. Each card will draw 12.6 amps from the +12V rail(s) when maxed out. The processor is also a major current user from the +12V rail(s). Which CPU are you using?

 

[redtailed]

A good 650W will do but as mentioned, need your budget input. Very good ones can be had between $80 and $120.

 

[toyftw]

Hello,
I currently have a VTX HD 6870 radeon and want to purchase another one in order to crossfire the two Gpus,
I have a Corsair cx500 (500w). Do i require more watts for crossfire and if so how much? The other problem is that each VTX HD 6870 radeon requires two 6pins and therefore i would need a Psu with 4x 6pins to fully connect both Gpus. Can anyone recomend me a good psu with enough watts as well as 4x 6pins?

Thanks,
Eggy

Hi again - realhardtechX suggests 600w(no harm in more) for 2 6870's in CF,

here's some 650w units to consider:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139020 nets to $80

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139012 nets to $110

http://www.newegg.com/Product/Product.aspx?Item=N82E16817207014 nets to $96

 

[redtailed]

An here are some that got good reviews at top PSU review sites:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817182132 $79

http://www.newegg.com/Product/Product.aspx?Item=N82E16817182071 $94
http://www.newegg.com/Product/Product.aspx?Item=N82E16817182263 $99

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088 $129


The latter 3 are very highly regarded

 

[EggyDevil]

Here is a solid choice that will work well for you: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010

You should look for 750W on up if you plan on running 2 HD 6870s in Xfire. Each card will draw 12.6 amps from the +12V rail(s) when maxed out. The processor is also a major current user from the +12V rail(s). Which CPU are you using?

my pc currently has a i7 2600k

 

[EggyDevil]

A good 650W will do but as mentioned, need your budget input. Very good ones can be had between $80 and $120.

yes my max budget is 120$

 

[EggyDevil]

thanks a lot guys, really helped )